Add agares configuration

nixos/agares/configuration.nix

@@ -0,0 +1,39 @@
+{ config, pkgs, lib, ... }:
+{
+  imports = [
+    ./hardware-configuration.nix
+  ];
+
+  dadada = {
+    admin.enable = true;
+    networking.localResolver.enable = true;
+  };
+
+  networking.hostName = "agares";
+  networking.domain = "dadada.li";
+
+  # Use the GRUB 2 boot loader.
+  boot.loader.grub.enable = true;
+  boot.loader.grub.version = 2;
+  boot.loader.grub.device = "/dev/sda";
+
+  i18n.defaultLocale = "en_US.UTF-8";
+  console = {
+    font = "Lat2-Terminus16";
+    keyMap = "us";
+  };
+
+  networking.firewall = {
+    enable = true;
+    allowPing = true;
+    allowedTCPPorts = [
+      22 # SSH
+    ];
+  };
+
+  virtualisation.libvirtd.enable = true;
+
+  environment.systemPackages = [ pkgs.curl ];
+
+  system.stateVersion = "22.05";
+}